Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Which of the following statements are correct?

(A) In reverse bias of a p-n junction, negative terminal of the battery is connected to p-side of the junction,
(B) Reverse bias does not support the potential barrier at the junction.
(C) In reverse bias, a few minority charge carriers cross the junction.
(D) Resistance of p-n junction is high in reverse bias, reducing the current to a negligible value.

Choose the correct answer from the given options.

Options:

(A) and (D) only

(A), (C) and (D) only

(A) and (C) only

(C) and (D) only

Correct Answer:

(A), (C) and (D) only

Explanation:

The correct answer is Option (2) → (A), (C) and (D) only

✅ Statement (A): Correct. In reverse bias, the negative terminal of the battery is connected to the p-side and the positive terminal to the n-side.

❌ Statement (B): Incorrect. Reverse bias increases the potential barrier at the junction.

✅ Statement (C): Correct. A few minority carriers do cross the junction, producing a very small current.

✅ Statement (D): Correct. The p-n junction offers high resistance in reverse bias, making the current negligible.

Answer: (A), (C), (D)